COMPOSITION: • Composites: 50% of primary structural weight including major sections of the fuselage, wings, and tail unit as well as doors and the cabin interior consist of carbon fiber reinforced plastic or other composite materials• Aluminum: 20% of structure consists of lightweight aluminum alloys including the wing and tail leading edges• Titanium: 15% of structural weight including engine components• Steel: 10% of structural weight including landing gear• Other: 5% of structural weight

VARIANTS:7E7: Original designation for the 787787-3: Short-range, high-density model using the same fuselage as the 787-8 but with increased passenger capacity and decreased fuel load for shorter domestic routes, also replaces the raked wingtips of the 787-8 with winglets to reduce wingspan and fit into smaller gates; 43 ordered by 2008787-8: First production model designed to replace the 767-200ER and 767-300ER; 660 ordered by 2008787-9: Stretched model designed to replace the 767-400ER that carries more passengers than the 787-8 over longer distances by lengthening the fuselage, increasing the wingspan, and increasing fuel capacity; 220 ordered by 2008787-10X: Proposed stretch model based on the 787-9 but with reduced range to carry 290 to 310 passengers and increase cargo capacity787F: Proposed cargo freighter787 VIP: Luxury model for the Boeing Business Jet division